Why Irriline Air release / Vacuum relief valve?
Standard Air release / Vacuum relief valves are either fully open or fully closed, and they are always closed once the line is which remains in the pipeline, or which enters the pipeline after startup, to escape.
Standard air release valves are incapable of removing all the air in a pipeline at startup.
Irriline Air release / Vacuum relief valve is designed for use near pump or intakes, on pressure boxes and near check valve.
It may also be used at all high points in the line and at the ends of the line to exhaust trapped air. It also provides protection against vacuum.
Irriline Air release / Vacuum relief valves available for 2” BSP / NPT thread connection.
Performance Graph for Irriline Air release / Vacuum relief valve
Placement Of Irriline Airvents